此外，定期检查视力﹑对自己的视力有一定的了解也是保护视力的好办法。
Moreover, you should have regular checks of your eyesight so as to have a certain understanding of your own power of vision.
中国也采取了措施来保护学生的视力，比如课本上印刷更大的字体、每天至少两个小时的户外活动、定期视力检查、减少看电子书的时间等。
China has also taken steps to protect the students' eyesight, such as larger printing in students' textbooks, at least two hours' outdoor activities a day, regular eyesight checking, less time on E-books and so on.
定期眼科检查可以让眼科保健专家帮助你矫正或适应视力改变，同时也能早期发现其他眼科问题。
Regular eye exams give your eye care specialist a chance to help you correct or adapt to vision changes, as well as detect eye problems at the earliest stage.
进行目视检查的操作人员要定期进行视力检查，可以戴眼镜，并允许经常间断检查。
Operators doing the inspection should pass regular eye-sight checks, with spectacles if worn, and be allowed frequent breaks from inspection.
进行目视检查的操作人员要定期进行视力检查，可以戴眼镜，并允许经常间断检查。
Operators doing the inspection should pass regular eye-sight checks, with spectacles if worn, and be allowed frequent breaks from inspection.
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